Beskrivning
Explains that most sightings of unidentified flying objects are actually understandable phenomena and discusses the possibility of intelligent life existing elsewhere in the universe.
Bokdetaljer
Format
Inbunden
Sidor
48 sidor
Språk
Engelska
Publicerad
Jan 1, 1978
Förlag
G.P. Putnam's Sons
ISBN-10
0399610898
ISBN-13
9780399610899